Pipe and nut wrench



(No Model.) P. D. DYE 89 W. HOLMES PIPE AND NUT'WRBNGH.

No. 554,994.) Patented Pb. 18; 1896.

I a Z H 2 9 thetmfiw e s, 0

UNirnn STATES PATE T @FFICE.

PERRY. D. DYE AND WILLIAM HOLMES, OF PARKERSBURG, VEST VIRGINIA.

PIPE AND NUT WRENCH.

SPECIFICATION forming part of Letters Patent No. 554,994, dated February18, 1896.

Application filed October 2 5, l 8 9 5 To 00% whom it may concern.-

Be it known that we, PERRY D. DYE and WILLIAM HoLMEs, citizens of theUnited States, residing at Parkersburg, in the county of Wood and Stateof West Virginia, have invented a new and useful Pipe and Nut Wrench, ofwhich the following is a specifi cation.

This invention relates to that class of pipe and nut wrenches in whichthe movable jaw is adapted to have a quick adjustment and one of thejaws a movable dog or bit to engage positively with the pipe or rod tobe turned. Y

The improvement consists of the peculiar manner of mounting the dog orbit whereby it has a combined sliding and tilting movement upon afulcrum in the bottom of a recess formed in the jaw bearing the saiddog.

The improvement also consists in certain details of construction, novelfeatures and combinations of the parts, which hereinafter will be moreparticularly described, illustrated and claimed.

The objects and advantages of the improvement will become apparent asthe nature of the invention is understood, and to this end reference isto be had to the following description and the drawings hereto attached,forming a part of the application, and in the draw- 1ngs-- Figure 1 is aside elevation of a wrench constructed in accordance with thisinvention, although various changes in the form, proportion, and theminor details of constructionmay be resorted to without departing fromthe principle or sacrificing any of the advantages thereof. Fig. 2 is adetail View of the movable jaw. Fig. 3 is a detail view of the adjListing-sleeve. Fig. 4is a transverse section on the line X X of Fig. 1.Fig. 5 is a sectional detail view of the movable j aw, showing the dogor bit in place.

The same reference-numerals denote corresponding and like parts in allthe figures of the drawings, and in the latter- 1 indicates thehandle-bar, 2 the handle fitted to one end thereof, 3 the movable jaw, 4the adjusting-sleeve, and 5 the bit or dog, all being combined tooperate in the manner well known in the construction of monkey and pipewrenches.

Serial No. 566,850. (No model.)

The handle-bar 1 is circular in cross-section and of uniform sizethroughout its length, and is formed on one side with a longitudinal inthe movable jaw 3, so as to prevent the latter from turning and to guideit in its movements to and from the fiXed jaw 8 at the outer end of thehandle-bar. This rib 6 is formed with segmental teeth 9 of correspondingpitch to the thread 10 of the sleeve 4-, so that upon turning the lattera close and neat adjustment of the jaws can be attained. A groove 11 isformed in the sleeve 4: to correspond with the rib 6, and when broughtin register with the said rib the sleeve and the attached jaw can bemoved quickly to adapt the distance between the jaws to the article tobe gripped, and by turning the sleeve so as to bring the groove 11 outof register with the rib and engage the thread 10 with the teeth 9 thesleeve and the movable jaw will be held firmly in the adjusted position,and to secure a nicety of adjustment the sleeve can be turned in eitherdirection so as to gradually move the jaw 3 toward or away from the jaw8, as will be readily understood. The reduced or shank portion of thejaw 3 is formed with an annular groove 12, and the contiguous end of thesleeve 4 is provided with a semicircular flange 13 having an inturnedlip 14 to enter and snugly fit the annular groove 12, thereby forming aninterlocking joint between the movable jaw and its adjusting-sleeve.

It will be understood that the parts 3 and l are fitted together priorto introducing the handle-bar therethrough, said handle -bar serving tohold the parts in working position.

The jaw 3 is formed in its active face with a recess 15, in which isfitted the bit or dog 5, and a rounded projection 16 rises from thebottom of the recess at a point intermediate of its ends and forms afulcrum for the bit or dog to slide and tilt upon. The cavities uponeach side of the projection 16 are deepened at a middle point to providefor the reception of the rounded ends of the bit or dog and to admit ofthe said bit having a tilting or rocking movement of large amplitude.

The bit or dog 5 is of the best tool-steel highly tempered and is oblongin shape and formed with rounded ends. The exposed side is toothed toobtain a firm grip upon the rib 6 which enters a corresponding groove 7object placed between the jaws, and a slot 17 extends lengthwise of thebit and receives a pin 18, by means of which the bit is secured withinthe recess. The inner or lower side of the bit is concaved to obtain abetter purchase upon the projection 16. The projection 16 sustains thestrain and work imposed upon the dog or bit, thereby relieving the pin18, whose primary intent is simply to retain the bit or dog within therecess against accidental displacement. By sliding the bit or dog uponthe projection 16 the relative position of the teeth is changed so thatnew teeth can be brought into working position, and, moreover, thedistance between the said teeth and the iixed jaw can be varied becauseof the peculiar shape of the bit, which is slightly wider at one endthan at the opposite end. Again, the combined sliding and tiltingn1otion facilitates the ratchet-like action of the bit or dog whenmoving the handle-bar backward and forward, so as to rotate the objectoperated upon in one direction. The fixed jaw has a recess 19 oppositeto the bit or dog 5, forming a seat to receive the rod 01' pipe to beoperated upon and also to provide for the reception of the exposedportion of the bit or dog when the jaws are brought together.

Having thus described the invention, what is claimed as new is- 1. In apipe-wrench, the combination with a jaw having a recess and having aprojection extending from the bottom of the recess intermediate of itsends, of a bit or dog held in the recess and adapted to have a combinedsliding and tilting movement upon the said In testimony that we claimthe foregoing as our own. we have hereto a'ffi Xed our signatures in thepresence 01: two witnesses.

PERRY I). DYE. WILLIAM lIOLM E. \Vitnesses:

HARRY J AG ER, J. M. DAvIs.

